package com.itheima;

public class Test_3 {
	public static void main(String[] args) {
		/*int[][] arr=new int[2][2];
		System.out.println(arr);
		int[] arr1={};
		System.out.println(arr1);
		String[] s=new String[2];
		System.out.println(s);*/
		//System.out.println(Math.rint(3.2));
		//System.out.println(Math.ceil(3.1));
		//int a = (int) 3.0;
		
		System.out.println(10.0/3);
	}
}
